كاربرد طرحهاي آزمايشي در پژوهش هاي اجتماعي با نگرش موضوعي به مأموريت هاي نيروي انتظامي

The used of Experimental designs in Social Research with the emphasis on police missions

Experimental designs are among the most usable methods in hypothesis testing of a research. We define it as one of the originals. Tools in produce procedures control and test of suggestions to more revenue and going to distinct desirability. This issue is especially useful for agricultural engineering. The same engineering studies impelling to experimental designs abilities causes we think this is a technique for product engineering studies, while useful for another areas that one of them is social science. This paper investigates experimental designs ability in social science especial police missions. Therefore, we describe some methods in experimental designs with useful instances, like complete block design, stratified design.